Exercises
1. When I was walking to school, I saw John. (walk/see)2. When I was helping in the kitchen, Mary came. (help/come)3. While she was cooking the soup, the children were playing. (cook/play)4. While they were playing cards, the baby was sleeping. (play/sleep)5. When I was working in the garden, my uncle called. (work/call)6. Carol was watching TV while Bob and Peter were playing football. (watch/play)7. When she was washing her hair, the baby began to cry. (wash/begin)8. A strong … More Exercises